/* ================================================
   ZETTA TECHNOLOGY - PRODUCTS TOP PAGE STYLESHEET
   製品トップページ固有スタイル
   依存: style.css（ベーススタイル・共通コンポーネント）
   ================================================ */


/* ================================================
   PAGE HERO（製品ページヒーロー）
   ================================================ */
.page-hero {
  background: var(--brand-navy);
  padding: 120px 0 80px;
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,200,232,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,200,232,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
}

.page-hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 60px;
  align-items: center;
}

.page-hero-orb {
  position: absolute;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(153,0,0,0.20) 0%, transparent 70%);
  top: -100px;
  right: -80px;
  pointer-events: none;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: rgba(255,255,255,0.5);
  margin-bottom: 20px;
}

.breadcrumb a {
  color: rgba(255,255,255,0.5);
  transition: var(--transition);
}

.breadcrumb a:hover { color: rgba(255,255,255,0.9); }

.breadcrumb span { color: rgba(255,255,255,0.3); }

.page-hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-en);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-cyan);
  margin-bottom: 16px;
}

.page-hero-tag::before {
  content: '';
  display: block;
  width: 20px;
  height: 2px;
  background: var(--accent-cyan);
}

.page-hero h1 {
  font-family: var(--font-serif-ja);
  font-size: clamp(24px, 3.8vw, 42px);
  font-weight: 700;
  color: #fff;
  line-height: 1.4;
  margin-bottom: 20px;
}

.page-hero h1 em {
  font-style: normal;
  color: var(--accent-cyan);
}

.page-hero-lead {
  font-size: 15px;
  color: rgba(255,255,255,0.72);
  line-height: 1.85;
  margin-bottom: 32px;
}

/* 右側：アンチテーゼバナー */
.hero-antithesis {
  background: rgba(153,0,0,0.25);
  border: 1px solid rgba(153,0,0,0.5);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
}

.hero-antithesis-label {
  font-family: var(--font-en);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #ff9999;
  margin-bottom: 12px;
}

.hero-antithesis-copy {
  font-family: var(--font-serif-ja);
  font-size: clamp(16px, 2vw, 22px);
  font-weight: 700;
  color: #fff;
  line-height: 1.55;
  margin-bottom: 20px;
}

.hero-antithesis-points {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.hero-antithesis-point {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 13px;
  color: rgba(255,255,255,0.75);
  line-height: 1.6;
}

.hero-antithesis-point::before {
  content: '・';
  color: var(--accent-teal);
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 1px;
}


/* ================================================
   PAGE NAV（製品ページ アンカーメニュー）
   ================================================ */
.page-nav {
  background: #fff;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 68px;
  z-index: 100;
  box-shadow: var(--shadow-sm);
}

.page-nav-list {
  display: flex;
  align-items: center;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-nav-list::-webkit-scrollbar { display: none; }

.page-nav-link {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 16px 18px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  white-space: nowrap;
  border-bottom: 2px solid transparent;
  transition: var(--transition);
}

.page-nav-link:hover,
.page-nav-link.active {
  color: var(--brand-red);
  border-bottom-color: var(--brand-red);
}

.page-nav-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}


/* ================================================
   SECTION 共通（製品ページ用）
   ================================================ */
.prod-section {
  padding: 88px 0;
  scroll-margin-top: 120px;
}

.prod-section-alt {
  background: var(--bg-light);
}

.prod-section-dark {
  background: var(--brand-navy);
  position: relative;
  overflow: hidden;
}

.prod-section-dark::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,200,232,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,200,232,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
}

.section-header {
  margin-bottom: 48px;
}

.section-header-center {
  text-align: center;
  max-width: 760px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 52px;
}

.section-header-center .section-tag {
  justify-content: center;
}

.section-header-center .section-tag::before {
  display: none;
}


/* ================================================
   AI-ADAM CYCLE FLAGSHIP（フラッグシップ）
   ================================================ */
.flagship-section {
  padding: 88px 0;
  background: var(--bg-section);
  position: relative;
  overflow: hidden;
  scroll-margin-top: 120px;
}

.flagship-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--brand-red) 0%, var(--accent-cyan) 100%);
}

.flagship-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.flagship-text .section-tag { color: var(--brand-red); }
.flagship-text .section-tag::before { background: var(--brand-red); }

.flagship-title {
  font-family: var(--font-serif-ja);
  font-size: clamp(20px, 2.8vw, 30px);
  font-weight: 700;
  color: var(--brand-navy);
  line-height: 1.5;
  margin-bottom: 16px;
}

.flagship-lead {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.85;
  margin-bottom: 28px;
}

/* 円環図（5ステップ） */
.cycle-diagram {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
}

.cycle-svg {
  width: 100%;
  max-width: 400px;
  height: auto;
  display: block;
  margin: 0 auto;
  overflow: visible;
}


/* ================================================
   ADAM FAMILY（核心製品 2×2グリッド）
   ================================================ */
.adam-family-section {
  padding: 88px 0;
  scroll-margin-top: 120px;
}

.adam-family-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.adam-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
}

.adam-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.adam-card-header {
  background: var(--brand-navy);
  padding: 28px 32px;
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.adam-card-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 22px;
}

.adam-card-header-text {}

.adam-card-role {
  font-family: var(--font-en);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 4px;
}

.adam-card-name {
  font-size: 17px;
  font-weight: 700;
  color: #fff;
  line-height: 1.4;
}

.adam-card-body {
  padding: 28px 32px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.adam-card-copy {
  font-family: var(--font-serif-ja);
  font-size: 14px;
  font-weight: 700;
  color: var(--brand-navy);
  line-height: 1.55;
  margin-bottom: 14px;
}

.adam-card-desc {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 20px;
  flex: 1;
}

.adam-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 20px;
}

.adam-tag {
  padding: 3px 10px;
  border-radius: 100px;
  font-size: 11px;
  font-weight: 700;
  border: 1px solid;
}

/* 信頼バッジ（国税庁採用など） */
.adam-trust-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(153,0,0,0.06);
  border: 1px solid rgba(153,0,0,0.2);
  border-radius: var(--radius);
  padding: 8px 14px;
  margin-bottom: 18px;
}

.adam-trust-badge-icon {
  font-size: 16px;
  flex-shrink: 0;
}

.adam-trust-badge-text {
  font-size: 12px;
  font-weight: 700;
  color: var(--brand-red);
  line-height: 1.4;
}

.adam-card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 700;
  color: var(--brand-red);
  transition: var(--transition);
  margin-top: auto;
}

.adam-card-link:hover { gap: 10px; }


/* ================================================
   DOMAIN SPECIFIC（国保・医療・介護）
   ================================================ */
.domain-section {
  padding: 88px 0;
  background: var(--bg-light);
  scroll-margin-top: 120px;
}

.domain-header-area {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  margin-bottom: 52px;
}

.domain-trust-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

.domain-trust-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 12px;
  font-weight: 700;
  color: var(--brand-navy);
  box-shadow: var(--shadow-sm);
}

.domain-lead-box {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 32px;
  border-left: 4px solid var(--accent-teal);
}

.domain-lead-box-text {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.9;
}

.domain-products {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.domain-product-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
}

.domain-product-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--accent-teal);
}

.domain-product-card-top {
  background: var(--brand-navy);
  padding: 20px 24px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.domain-product-icon {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  background: rgba(0,184,160,0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}

.domain-product-name {
  font-size: 14px;
  font-weight: 700;
  color: #fff;
  line-height: 1.45;
}

.domain-product-body {
  padding: 20px 24px;
}

.domain-product-desc {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 16px;
}

.domain-product-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 700;
  color: var(--accent-teal);
  transition: var(--transition);
}

.domain-product-link:hover { gap: 10px; }


/* ================================================
   EDUCATION（教育支援・ゼッタリンクス）
   ================================================ */
.education-section {
  padding: 88px 0;
  scroll-margin-top: 120px;
  background: #fff;
}

.education-inner {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 60px;
  align-items: flex-start;
}

.education-text .section-tag { color: #5b8dd9; }
.education-text .section-tag::before { background: #5b8dd9; }

.education-notice {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(91,141,217,0.08);
  border: 1px solid rgba(91,141,217,0.25);
  border-radius: var(--radius);
  padding: 8px 16px;
  font-size: 12px;
  color: #3a6bc0;
  margin-bottom: 20px;
}

.education-lead {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.85;
}

.education-products {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.edu-product-card {
  background: var(--bg-section);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  display: flex;
  gap: 16px;
  align-items: flex-start;
  transition: var(--transition);
  text-decoration: none;
}

.edu-product-card:hover {
  border-color: #5b8dd9;
  background: rgba(91,141,217,0.04);
  box-shadow: var(--shadow-sm);
}

.edu-product-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius);
  background: rgba(91,141,217,0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}

.edu-product-body {}

.edu-product-name {
  font-size: 14px;
  font-weight: 700;
  color: var(--brand-navy);
  margin-bottom: 4px;
  line-height: 1.4;
}

.edu-product-desc {
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.65;
}

.edu-product-external {
  font-size: 11px;
  color: #5b8dd9;
  margin-top: 6px;
  display: flex;
  align-items: center;
  gap: 4px;
}


/* ================================================
   BUSINESS ICT（ファイルめがね）
   ================================================ */
.biz-section {
  padding: 64px 0;
  background: var(--bg-light);
  scroll-margin-top: 120px;
}

.biz-banner {
  background: var(--brand-navy);
  border-radius: var(--radius-lg);
  padding: 44px 56px;
  display: flex;
  align-items: center;
  gap: 48px;
  position: relative;
  overflow: hidden;
}

.biz-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,200,232,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,200,232,0.04) 1px, transparent 1px);
  background-size: 40px 40px;
}

.biz-banner-icon {
  font-size: 56px;
  flex-shrink: 0;
  position: relative;
  z-index: 1;
}

.biz-banner-text {
  flex: 1;
  position: relative;
  z-index: 1;
}

.biz-banner-label {
  font-family: var(--font-en);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-cyan);
  margin-bottom: 10px;
}

.biz-banner-title {
  font-family: var(--font-serif-ja);
  font-size: clamp(16px, 2vw, 22px);
  font-weight: 700;
  color: #fff;
  line-height: 1.5;
  margin-bottom: 10px;
}

.biz-banner-desc {
  font-size: 14px;
  color: rgba(255,255,255,0.65);
  line-height: 1.75;
}

.biz-banner-action {
  flex-shrink: 0;
  position: relative;
  z-index: 1;
}


/* ================================================
   TECHNOLOGY（技術的優位性）
   ================================================ */
.tech-section {
  padding: 88px 0;
  scroll-margin-top: 120px;
}

.tech-section-dark {
  background: var(--brand-navy);
}

.tech-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.tech-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: var(--transition);
}

.tech-card:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(0,200,232,0.4);
}

.tech-card-icon {
  font-size: 32px;
  margin-bottom: 16px;
}

.tech-card-label {
  font-family: var(--font-en);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-cyan);
  margin-bottom: 8px;
}

.tech-card-title {
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  line-height: 1.45;
  margin-bottom: 12px;
}

.tech-card-desc {
  font-size: 13px;
  color: rgba(255,255,255,0.65);
  line-height: 1.8;
}

.tech-card-highlight {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 16px;
  padding: 5px 12px;
  background: rgba(0,200,232,0.15);
  border-radius: 100px;
  font-size: 11px;
  font-weight: 700;
  color: var(--accent-cyan);
}


/* ================================================
   POLICY（ポリシーセクション）
   ================================================ */
.policy-section {
  padding: 72px 0;
  background: var(--bg-light);
  scroll-margin-top: 120px;
}

.policy-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.policy-quote {
  font-family: var(--font-serif-ja);
  font-size: clamp(18px, 2.5vw, 28px);
  font-weight: 700;
  color: var(--brand-navy);
  line-height: 1.6;
  border-left: 4px solid var(--brand-red);
  padding-left: 24px;
  margin-bottom: 20px;
}

.policy-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.9;
}

.policy-points {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.policy-point {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.policy-point-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius);
  background: var(--brand-navy);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}

.policy-point-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--brand-navy);
  margin-bottom: 4px;
}

.policy-point-desc {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.7;
}


/* ================================================
   NEWS（最新情報）
   ================================================ */
.news-section {
  padding: 72px 0;
  scroll-margin-top: 120px;
}

.news-grid {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 48px;
  align-items: flex-start;
}

.news-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.news-item {
  display: flex;
  gap: 20px;
  padding: 18px 0;
  border-bottom: 1px solid var(--border-light);
  align-items: flex-start;
  transition: var(--transition);
}

.news-item:last-child { border-bottom: none; }

.news-item:hover .news-title { color: var(--brand-red); }

.news-date {
  font-family: var(--font-en);
  font-size: 12px;
  color: var(--text-light);
  white-space: nowrap;
  flex-shrink: 0;
  padding-top: 2px;
}

.news-cat {
  padding: 2px 8px;
  border-radius: 3px;
  font-size: 10px;
  font-weight: 700;
  white-space: nowrap;
  flex-shrink: 0;
}

.news-title {
  font-size: 14px;
  color: var(--text-primary);
  line-height: 1.6;
  transition: var(--transition);
}


/* ================================================
   CTA BANNER（製品ページ用）
   ================================================ */
.cta-banner-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
}

.cta-banner-text {}

.cta-banner-title {
  font-family: var(--font-serif-ja);
  font-size: clamp(18px, 2.5vw, 26px);
  font-weight: 700;
  color: #fff;
  line-height: 1.5;
  margin-bottom: 8px;
}

.cta-banner-desc {
  font-size: 14px;
  color: rgba(255,255,255,0.72);
}

.cta-banner-actions {
  display: flex;
  gap: 12px;
  flex-shrink: 0;
  flex-wrap: wrap;
}


/* ================================================
   RESPONSIVE
   ================================================ */
@media (max-width: 1024px) {
  .page-hero-inner { grid-template-columns: 1fr; gap: 36px; }
  .page-hero-orb { display: none; }
  .flagship-inner { grid-template-columns: 1fr; gap: 40px; }
  .cycle-diagram { margin: 0 auto; }
  .domain-header-area { grid-template-columns: 1fr; gap: 32px; }
  .domain-products { grid-template-columns: 1fr 1fr; }
  .education-inner { grid-template-columns: 1fr; }
  .tech-grid { grid-template-columns: 1fr 1fr; }
  .policy-inner { grid-template-columns: 1fr; gap: 32px; }
  .news-grid { grid-template-columns: 1fr; }
  .biz-banner { flex-direction: column; padding: 36px 32px; gap: 24px; }
}

@media (max-width: 768px) {
  .page-hero { padding: 100px 0 60px; }
  .adam-family-grid { grid-template-columns: 1fr; }
  .domain-products { grid-template-columns: 1fr; }
  .education-products { grid-template-columns: 1fr; }
  .tech-grid { grid-template-columns: 1fr; }
  .cta-banner-inner { flex-direction: column; text-align: center; }
  .cta-banner-actions { justify-content: center; }
  .cycle-svg { max-width: 300px; }
}